includes/RecentChange.php

   1 <?php
   2 /**
   3  *
   4  * @package MediaWiki
   5  */
   6
   7 /**
   8  * Utility class for creating new RC entries
   9  * mAttribs:
  10  *      rc_id           id of the row in the recentchanges table
  11  *      rc_timestamp    time the entry was made
  12  *      rc_cur_time     timestamp on the cur row
  13  *      rc_namespace    namespace #
  14  *      rc_title        non-prefixed db key
  15  *      rc_type         is new entry, used to determine whether updating is necessary
  16  *      rc_minor        is minor
  17  *      rc_cur_id       page_id of associated page entry
  18  *      rc_user         user id who made the entry
  19  *      rc_user_text    user name who made the entry
  20  *      rc_comment      edit summary
  21  *      rc_this_oldid   rev_id associated with this entry (or zero)
  22  *      rc_last_oldid   rev_id associated with the entry before this one (or zero)
  23  *      rc_bot          is bot, hidden
  24  *      rc_ip           IP address of the user in dotted quad notation
  25  *      rc_new          obsolete, use rc_type==RC_NEW
  26  *      rc_patrolled    boolean whether or not someone has marked this edit as patrolled
  27  *
  28  * mExtra:
  29  *      prefixedDBkey   prefixed db key, used by external app via msg queue
  30  *      lastTimestamp   timestamp of previous entry, used in WHERE clause during update
  31  *      lang            the interwiki prefix, automatically set in save()
  32  *  oldSize         text size before the change
  33  *  newSize         text size after the change
  34  *
  35  * temporary:           not stored in the database
  36  *      notificationtimestamp
  37  *      numberofWatchingusers
  38  *
  39  * @todo document functions and variables
  40  * @package MediaWiki
  41  */
  42 class RecentChange
  43 {
  44         var $mAttribs = array(), $mExtra = array();
  45         var $mTitle = false, $mMovedToTitle = false;
  46         var $numberofWatchingusers = 0 ; # Dummy to prevent error message in SpecialRecentchangeslinked
  47
  48         # Factory methods
  49
  50         /* static */ function newFromRow( $row )
  51         {
  52                 $rc = new RecentChange;
  53                 $rc->loadFromRow( $row );
  54                 return $rc;
  55         }
  56
  57         /* static */ function newFromCurRow( $row, $rc_this_oldid = 0 )
  58         {
  59                 $rc = new RecentChange;
  60                 $rc->loadFromCurRow( $row, $rc_this_oldid );
  61                 $rc->notificationtimestamp = false;
  62                 $rc->numberofWatchingusers = false;
  63                 return $rc;
  64         }
  65
  66         # Accessors
  67
  68         function setAttribs( $attribs )
  69         {
  70                 $this->mAttribs = $attribs;
  71         }
  72
  73         function setExtra( $extra )
  74         {
  75                 $this->mExtra = $extra;
  76         }
  77
  78         function &getTitle()
  79         {
  80                 if ( $this->mTitle === false ) {
  81                         $this->mTitle = Title::makeTitle( $this->mAttribs['rc_namespace'], $this->mAttribs['rc_title'] );
  82                 }
  83                 return $this->mTitle;
  84         }
  85
  86         function getMovedToTitle()
  87         {
  88                 if ( $this->mMovedToTitle === false ) {
  89                         $this->mMovedToTitle = Title::makeTitle( $this->mAttribs['rc_moved_to_ns'],
  90                                 $this->mAttribs['rc_moved_to_title'] );
  91                 }
  92                 return $this->mMovedToTitle;
  93         }
  94
  95         # Writes the data in this object to the database
  96         function save()
  97         {
  98                 global $wgLocalInterwiki, $wgPutIPinRC, $wgRC2UDPAddress, $wgRC2UDPPort, $wgRC2UDPPrefix, $wgUseRCPatrol;
  99                 $fname = 'RecentChange::save';
 100
 101                 $dbw =& wfGetDB( DB_MASTER );
 102                 if ( !is_array($this->mExtra) ) {
 103                         $this->mExtra = array();
 104                 }
 105                 $this->mExtra['lang'] = $wgLocalInterwiki;
 106
 107                 if ( !$wgPutIPinRC ) {
 108                         $this->mAttribs['rc_ip'] = '';
 109                 }
 110
 111                 # Fixup database timestamps
 112                 $this->mAttribs['rc_timestamp'] = $dbw->timestamp($this->mAttribs['rc_timestamp']);
 113                 $this->mAttribs['rc_cur_time'] = $dbw->timestamp($this->mAttribs['rc_cur_time']);
 114                 $this->mAttribs['rc_id'] = $dbw->nextSequenceValue( 'rc_rc_id_seq' );
 115
 116                 # Insert new row
 117                 $dbw->insert( 'recentchanges', $this->mAttribs, $fname );
 118
 119                 if ( $wgUseRCPatrol ) {
 120                         # Retrieve the id assigned by the db, but only if we'll use it later
 121                         $this->mAttribs['rc_id'] = $dbw->insertId();
 122                 }
 123
 124                 # Update old rows, if necessary
 125                 if ( $this->mAttribs['rc_type'] == RC_EDIT ) {
 126                         $lastTime = $this->mExtra['lastTimestamp'];
 127                         #$now = $this->mAttribs['rc_timestamp'];
 128                         #$curId = $this->mAttribs['rc_cur_id'];
 129
 130                         # Don't bother looking for entries that have probably
 131                         # been purged, it just locks up the indexes needlessly.
 132                         global $wgRCMaxAge;
 133                         $age = time() - wfTimestamp( TS_UNIX, $lastTime );
 134                         if( $age < $wgRCMaxAge ) {
 135                                 # live hack, will commit once tested - kate
 136                                 # Update rc_this_oldid for the entries which were current
 137                                 #
 138                                 #$oldid = $this->mAttribs['rc_last_oldid'];
 139                                 #$ns = $this->mAttribs['rc_namespace'];
 140                                 #$title = $this->mAttribs['rc_title'];
 141                                 #
 142                                 #$dbw->update( 'recentchanges',
 143                                 #       array( /* SET */
 144                                 #               'rc_this_oldid' => $oldid
 145                                 #       ), array( /* WHERE */
 146                                 #               'rc_namespace' => $ns,
 147                                 #               'rc_title' => $title,
 148                                 #               'rc_timestamp' => $dbw->timestamp( $lastTime )
 149                                 #       ), $fname
 150                                 #);
 151                         }
 152
 153                         # Update rc_cur_time
 154                         #$dbw->update( 'recentchanges', array( 'rc_cur_time' => $now ),
 155                         #       array( 'rc_cur_id' => $curId ), $fname );
 156                 }
 157
 158                 # Notify external application via UDP
 159                 if ( $wgRC2UDPAddress ) {
 160                         $conn = socket_create( AF_INET, SOCK_DGRAM, SOL_UDP );
 161                         if ( $conn ) {
 162                                 $line = $wgRC2UDPPrefix . $this->getIRCLine();
 163                                 socket_sendto( $conn, $line, strlen($line), 0, $wgRC2UDPAddress, $wgRC2UDPPort );
 164                                 socket_close( $conn );
 165                         }
 166                 }
 167
 168                 // E-mail notifications
 169                 global $wgUseEnotif;
 170                 if( $wgUseEnotif ) {
 171                         # this would be better as an extension hook
 172                         include_once( "UserMailer.php" );
 173                         $enotif = new EmailNotification();
 174                         $title = Title::makeTitle( $this->mAttribs['rc_namespace'], $this->mAttribs['rc_title'] );
 175                         $enotif->notifyOnPageChange( $title,
 176                                 $this->mAttribs['rc_timestamp'],
 177                                 $this->mAttribs['rc_comment'],
 178                                 $this->mAttribs['rc_minor'],
 179                                 $this->mAttribs['rc_last_oldid'] );
 180                 }
 181
 182         }
 183
 184         # Marks a certain row as patrolled
 185         function markPatrolled( $rcid )
 186         {
 187                 $fname = 'RecentChange::markPatrolled';
 188
 189                 $dbw =& wfGetDB( DB_MASTER );
 190
 191                 $dbw->update( 'recentchanges',
 192                         array( /* SET */
 193                                 'rc_patrolled' => 1
 194                         ), array( /* WHERE */
 195                                 'rc_id' => $rcid
 196                         ), $fname
 197                 );
 198         }
 199
 200         # Makes an entry in the database corresponding to an edit
 201         /*static*/ function notifyEdit( $timestamp, &$title, $minor, &$user, $comment,
 202                 $oldId, $lastTimestamp, $bot = "default", $ip = '', $oldSize = 0, $newSize = 0,
 203                 $newId = 0)
 204         {
 205                 if ( $bot == 'default ' ) {
 206                         $bot = $user->isBot();
 207                 }
 208
 209                 if ( !$ip ) {
 210                         $ip = wfGetIP();
 211                         if ( !$ip ) {
 212                                 $ip = '';
 213                         }
 214                 }
 215
 216                 $rc = new RecentChange;
 217                 $rc->mAttribs = array(
 218                         'rc_timestamp'  => $timestamp,
 219                         'rc_cur_time'   => $timestamp,
 220                         'rc_namespace'  => $title->getNamespace(),
 221                         'rc_title'      => $title->getDBkey(),
 222                         'rc_type'       => RC_EDIT,
 223                         'rc_minor'      => $minor ? 1 : 0,
 224                         'rc_cur_id'     => $title->getArticleID(),
 225                         'rc_user'       => $user->getID(),
 226                         'rc_user_text'  => $user->getName(),
 227                         'rc_comment'    => $comment,
 228                         'rc_this_oldid' => $newId,
 229                         'rc_last_oldid' => $oldId,
 230                         'rc_bot'        => $bot ? 1 : 0,
 231                         'rc_moved_to_ns'        => 0,
 232                         'rc_moved_to_title'     => '',
 233                         'rc_ip' => $ip,
 234                         'rc_patrolled' => 0,
 235                         'rc_new'        => 0 # obsolete
 236                 );
 237
 238                 $rc->mExtra =  array(
 239                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 240                         'lastTimestamp' => $lastTimestamp,
 241                         'oldSize'       => $oldSize,
 242                         'newSize'       => $newSize,
 243                 );
 244                 $rc->save();
 245         }
 246
 247         # Makes an entry in the database corresponding to page creation
 248         # Note: the title object must be loaded with the new id using resetArticleID()
 249         /*static*/ function notifyNew( $timestamp, &$title, $minor, &$user, $comment, $bot = "default",
 250           $ip='', $size = 0, $newId = 0 )
 251         {
 252                 if ( !$ip ) {
 253                         $ip = wfGetIP();
 254                         if ( !$ip ) {
 255                                 $ip = '';
 256                         }
 257                 }
 258                 if ( $bot == 'default' ) {
 259                         $bot = $user->isBot();
 260                 }
 261
 262                 $rc = new RecentChange;
 263                 $rc->mAttribs = array(
 264                         'rc_timestamp'      => $timestamp,
 265                         'rc_cur_time'       => $timestamp,
 266                         'rc_namespace'      => $title->getNamespace(),
 267                         'rc_title'          => $title->getDBkey(),
 268                         'rc_type'           => RC_NEW,
 269                         'rc_minor'          => $minor ? 1 : 0,
 270                         'rc_cur_id'         => $title->getArticleID(),
 271                         'rc_user'           => $user->getID(),
 272                         'rc_user_text'      => $user->getName(),
 273                         'rc_comment'        => $comment,
 274                         'rc_this_oldid'     => $newId,
 275                         'rc_last_oldid'     => 0,
 276                         'rc_bot'            => $bot ? 1 : 0,
 277                         'rc_moved_to_ns'    => 0,
 278                         'rc_moved_to_title' => '',
 279                         'rc_ip'             => $ip,
 280                         'rc_patrolled'      => 0,
 281                         'rc_new'        => 1 # obsolete
 282                 );
 283
 284                 $rc->mExtra =  array(
 285                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 286                         'lastTimestamp' => 0,
 287                         'oldSize' => 0,
 288                         'newSize' => $size
 289                 );
 290                 $rc->save();
 291         }
 292
 293         # Makes an entry in the database corresponding to a rename
 294         /*static*/ function notifyMove( $timestamp, &$oldTitle, &$newTitle, &$user, $comment, $ip='', $overRedir = false )
 295         {
 296                 if ( !$ip ) {
 297                         $ip = wfGetIP();
 298                         if ( !$ip ) {
 299                                 $ip = '';
 300                         }
 301                 }
 302
 303                 $rc = new RecentChange;
 304                 $rc->mAttribs = array(
 305                         'rc_timestamp'  => $timestamp,
 306                         'rc_cur_time'   => $timestamp,
 307                         'rc_namespace'  => $oldTitle->getNamespace(),
 308                         'rc_title'      => $oldTitle->getDBkey(),
 309                         'rc_type'       => $overRedir ? RC_MOVE_OVER_REDIRECT : RC_MOVE,
 310                         'rc_minor'      => 0,
 311                         'rc_cur_id'     => $oldTitle->getArticleID(),
 312                         'rc_user'       => $user->getID(),
 313                         'rc_user_text'  => $user->getName(),
 314                         'rc_comment'    => $comment,
 315                         'rc_this_oldid' => 0,
 316                         'rc_last_oldid' => 0,
 317                         'rc_bot'        => $user->isBot() ? 1 : 0,
 318                         'rc_moved_to_ns'        => $newTitle->getNamespace(),
 319                         'rc_moved_to_title'     => $newTitle->getDBkey(),
 320                         'rc_ip'         => $ip,
 321                         'rc_new'        => 0, # obsolete
 322                         'rc_patrolled' => 1
 323                 );
 324
 325                 $rc->mExtra = array(
 326                         'prefixedDBkey' => $oldTitle->getPrefixedDBkey(),
 327                         'lastTimestamp' => 0,
 328                         'prefixedMoveTo'        => $newTitle->getPrefixedDBkey()
 329                 );
 330                 $rc->save();
 331         }
 332
 333         /* static */ function notifyMoveToNew( $timestamp, &$oldTitle, &$newTitle, &$user, $comment, $ip='' ) {
 334                 RecentChange::notifyMove( $timestamp, $oldTitle, $newTitle, $user, $comment, $ip, false );
 335         }
 336
 337         /* static */ function notifyMoveOverRedirect( $timestamp, &$oldTitle, &$newTitle, &$user, $comment, $ip='' ) {
 338                 RecentChange::notifyMove( $timestamp, $oldTitle, $newTitle, $user, $comment, $ip, true );
 339         }
 340
 341         # A log entry is different to an edit in that previous revisions are
 342         # not kept
 343         /*static*/ function notifyLog( $timestamp, &$title, &$user, $comment, $ip='' )
 344         {
 345                 if ( !$ip ) {
 346                         $ip = wfGetIP();
 347                         if ( !$ip ) {
 348                                 $ip = '';
 349                         }
 350                 }
 351
 352                 $rc = new RecentChange;
 353                 $rc->mAttribs = array(
 354                         'rc_timestamp'  => $timestamp,
 355                         'rc_cur_time'   => $timestamp,
 356                         'rc_namespace'  => $title->getNamespace(),
 357                         'rc_title'      => $title->getDBkey(),
 358                         'rc_type'       => RC_LOG,
 359                         'rc_minor'      => 0,
 360                         'rc_cur_id'     => $title->getArticleID(),
 361                         'rc_user'       => $user->getID(),
 362                         'rc_user_text'  => $user->getName(),
 363                         'rc_comment'    => $comment,
 364                         'rc_this_oldid' => 0,
 365                         'rc_last_oldid' => 0,
 366                         'rc_bot'        => $user->isBot() ? 1 : 0,
 367                         'rc_moved_to_ns'        => 0,
 368                         'rc_moved_to_title'     => '',
 369                         'rc_ip' => $ip,
 370                         'rc_patrolled' => 1,
 371                         'rc_new'        => 0 # obsolete
 372                 );
 373                 $rc->mExtra =  array(
 374                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 375                         'lastTimestamp' => 0
 376                 );
 377                 $rc->save();
 378         }
 379
 380         # Initialises the members of this object from a mysql row object
 381         function loadFromRow( $row )
 382         {
 383                 $this->mAttribs = get_object_vars( $row );
 384                 $this->mAttribs["rc_timestamp"] = wfTimestamp(TS_MW, $this->mAttribs["rc_timestamp"]);
 385                 $this->mExtra = array();
 386         }
 387
 388         # Makes a pseudo-RC entry from a cur row, for watchlists and things
 389         function loadFromCurRow( $row )
 390         {
 391                 $this->mAttribs = array(
 392                         'rc_timestamp' => wfTimestamp(TS_MW, $row->rev_timestamp),
 393                         'rc_cur_time' => $row->rev_timestamp,
 394                         'rc_user' => $row->rev_user,
 395                         'rc_user_text' => $row->rev_user_text,
 396                         'rc_namespace' => $row->page_namespace,
 397                         'rc_title' => $row->page_title,
 398                         'rc_comment' => $row->rev_comment,
 399                         'rc_minor' => $row->rev_minor_edit ? 1 : 0,
 400                         'rc_type' => $row->page_is_new ? RC_NEW : RC_EDIT,
 401                         'rc_cur_id' => $row->page_id,
 402                         'rc_this_oldid' => $row->rev_id,
 403                         'rc_last_oldid' => isset($row->rc_last_oldid) ? $row->rc_last_oldid : 0,
 404                         'rc_bot'        => 0,
 405                         'rc_moved_to_ns'        => 0,
 406                         'rc_moved_to_title'     => '',
 407                         'rc_ip' => '',
 408                         'rc_patrolled' => '1',  # we can't support patrolling on the Watchlist
 409                                                 # currently because it uses cur, not recentchanges
 410                         'rc_new' => $row->page_is_new # obsolete
 411                 );
 412
 413                 $this->mExtra = array();
 414         }
 415
 416
 417         /**
 418          * Gets the end part of the diff URL associated with this object
 419          * Blank if no diff link should be displayed
 420          */
 421         function diffLinkTrail( $forceCur )
 422         {
 423                 if ( $this->mAttribs['rc_type'] == RC_EDIT ) {
 424                         $trail = "curid=" . (int)($this->mAttribs['rc_cur_id']) .
 425                                 "&oldid=" . (int)($this->mAttribs['rc_last_oldid']);
 426                         if ( $forceCur ) {
 427                                 $trail .= '&diff=0' ;
 428                         } else {
 429                                 $trail .= '&diff=' . (int)($this->mAttribs['rc_this_oldid']);
 430                         }
 431                 } else {
 432                         $trail = '';
 433                 }
 434                 return $trail;
 435         }
 436
 437         function getIRCLine() {
 438                 global $wgUseRCPatrol;
 439
 440                 extract($this->mAttribs);
 441                 extract($this->mExtra);
 442
 443                 $titleObj =& $this->getTitle();
 444
 445                 $bad = array("\n", "\r");
 446                 $empty = array("", "");
 447                 $title = $titleObj->getPrefixedText();
 448                 $title = str_replace($bad, $empty, $title);
 449
 450                 if ( $rc_new && $wgUseRCPatrol ) {
 451                         $url = $titleObj->getFullURL("rcid=$rc_id");
 452                 } else if ( $rc_new ) {
 453                         $url = $titleObj->getFullURL();
 454                 } else if ( $wgUseRCPatrol ) {
 455                         $url = $titleObj->getFullURL("diff=0&oldid=$rc_last_oldid&rcid=$rc_id");
 456                 } else {
 457                         $url = $titleObj->getFullURL("diff=0&oldid=$rc_last_oldid");
 458                 }
 459
 460                 if ( isset( $oldSize ) && isset( $newSize ) ) {
 461                         $szdiff = $newSize - $oldSize;
 462                         if ($szdiff < -500) {
 463                                 $szdiff = "\002$szdiff\002";
 464                         } elseif ($szdiff >= 0) {
 465                                 $szdiff = '+' . $szdiff ;
 466                         }
 467                         $szdiff = '(' . $szdiff . ')' ;
 468                 } else {
 469                         $szdiff = '';
 470                 }
 471
 472                 $comment = str_replace($bad, $empty, $rc_comment);
 473                 $user = str_replace($bad, $empty, $rc_user_text);
 474                 $flag = ($rc_minor ? "M" : "") . ($rc_new ? "N" : "");
 475                 # see http://www.irssi.org/?page=docs&doc=formats for some colour codes. prefix is \003,
 476                 # no colour (\003) switches back to the term default
 477                 $comment = preg_replace("/\/\* (.*) \*\/(.*)/", "\00315\$1\003 - \00310\$2\003", $comment);
 478                 $fullString = "\00314[[\00307$title\00314]]\0034 $flag\00310 " .
 479                               "\00302$url\003 \0035*\003 \00303$user\003 \0035*\003 $szdiff \00310$comment\003\n";
 480
 481                 return $fullString;
 482         }
 483 }
 484 ?>